28379924141 has 8 divisors (see below), whose sum is σ = 28541551584. Its totient is φ = 28218350160.

The previous prime is 28379924137. The next prime is 28379924159. The reversal of 28379924141 is 14142997382.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28379924141 - 2² = 28379924137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28379924141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28379924101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596086 + ... + 1613768.

It is an arithmetic number, because the mean of its divisors is an integer number (3567693948).

Almost surely, 2^28379924141 is an apocalyptic number.

It is an amenable number.

28379924141 is a deficient number, since it is larger than the sum of its proper divisors (161627443).

28379924141 is a wasteful number, since it uses less digits than its factorization.

28379924141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26731.

The product of its digits is 870912, while the sum is 50.

The spelling of 28379924141 in words is "twenty-eight billion, three hundred seventy-nine million, nine hundred twenty-four thousand, one hundred forty-one".